[FS#289] 6in4: Routed /48 prefix mistakenly applied as /64

[LEDE Bugs]

The following task has a new comment added:

FS#289 - 6in4: Routed /48 prefix mistakenly applied as /64
User who did this - Ralf G. R. Bergs (ralfbergs)

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Wait a minute... Just noticed by chance that my Mac also says it's /64... (latest Sierra beta build 10.12.2 Beta (16C48b))

	inet6 2001:470:1234::1c8f:673b:ec6a:4a93 prefixlen 64 autoconf secured
	inet6 2001:470:1234::293d:63a2:a18a:3f8e prefixlen 64 autoconf temporary

What gives?!
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=289#comment877